diff --git a/mozilla/webtools/bugzilla/Bugzilla/Install/Localconfig.pm b/mozilla/webtools/bugzilla/Bugzilla/Install/Localconfig.pm
index e22a47afa61..5cd7755e83a 100644
--- a/mozilla/webtools/bugzilla/Bugzilla/Install/Localconfig.pm
+++ b/mozilla/webtools/bugzilla/Bugzilla/Install/Localconfig.pm
@@ -188,7 +188,7 @@ EOT
     },
     {
         name    => 'site_wide_secret',
-        default => generate_random_password(256),
+        default => sub { generate_random_password(256) },
         desc    => <<EOT
 # This secret key is used by your installation for the creation and
 # validation of encrypted tokens to prevent unsolicited changes,